/** 
 * 将数值四舍五入(保留2位小数)后格式化成金额形式 
 * 
 * @param num 数值(Number或者String) 
 * @return 金额格式的字符串,如'1,234,567.45' 
 * @type String 
 */  
function formatCurrency(num) {  
    num = num.toString().replace(/\$|\,/g,'');  
    if(isNaN(num))  
    num = "0";  
    sign = (num == (num = Math.abs(num)));  
    num = Math.floor(num*100+0.50000000001);  
    cents = num%100;  
    num = Math.floor(num/100).toString();  
    if(cents<10)  
    cents = "0" + cents;  
    for (var i = 0; i < Math.floor((num.length-(1+i))/3); i++)  
    num = num.substring(0,num.length-(4*i+3))+','+  
    num.substring(num.length-(4*i+3));  
    return (((sign)?'':'-') + num + '.' + cents);  
}  
   
/** 
 * 将数值四舍五入(保留1位小数)后格式化成金额形式 
 * 
 * @param num 数值(Number或者String) 
 * @return 金额格式的字符串,如'1,234,567.4' 
 * @type String 
 */  
function formatCurrencyTenThou(num) {  
    num = num.toString().replace(/\$|\,/g,'');  
    if(isNaN(num))  
    num = "0";  
    sign = (num == (num = Math.abs(num)));  
    num = Math.floor(num*10+0.50000000001);  
    cents = num%10;  
    num = Math.floor(num/10).toString();  
    for (var i = 0; i < Math.floor((num.length-(1+i))/3); i++)  
    num = num.substring(0,num.length-(4*i+3))+','+  
    num.substring(num.length-(4*i+3));  
    return (((sign)?'':'-') + num + '.' + cents);  
}  
  
// 添加金额格式化  
jQuery.extend({  
    formatFloat:function(src, pos){  
        var num = parseFloat(src).toFixed(pos);  
        num = num.toString().replace(/\$|\,/g,'');  
        if(isNaN(num)) num = "0";  
        sign = (num == (num = Math.abs(num)));  
        num = Math.floor(num*100+0.50000000001);  
        cents = num%100;  
        num = Math.floor(num/100).toString();  
        if(cents<10) cents = "0" + cents;  
        for (var i = 0; i < Math.floor((num.length-(1+i))/3); i++)  
        num = num.substring(0,num.length-(4*i+3))+','+num.substring(num.length-(4*i+3));  
        return (((sign)?'':'-') + num + '.' + cents);  
    }  
});  


//对Date的扩展，将 Date 转化为指定格式的String
//月(M)、日(d)、小时(h)、分(m)、秒(s)、季度(q) 可以用 1-2 个占位符， 
//年(y)可以用 1-4 个占位符，毫秒(S)只能用 1 个占位符(是 1-3 位的数字) 
//例子： 
//(new Date()).Format("yyyy-MM-dd hh:mm:ss.S") ==> 2006-07-02 08:09:04.423 
//(new Date()).Format("yyyy-M-d h:m:s.S")      ==> 2006-7-2 8:9:4.18 
Date.prototype.Format = function (fmt) { //author: meizz 
 var o = {
     "M+": this.getMonth() + 1, //月份 
     "d+": this.getDate(), //日 
     "h+": this.getHours(), //小时 
     "m+": this.getMinutes(), //分 
     "s+": this.getSeconds(), //秒 
     "q+": Math.floor((this.getMonth() + 3) / 3), //季度 
     "S": this.getMilliseconds() //毫秒 
 };
 if (/(y+)/.test(fmt)) fmt = fmt.replace(RegExp.$1, (this.getFullYear() + "").substr(4 - RegExp.$1.length));
 for (var k in o)
 if (new RegExp("(" + k + ")").test(fmt)) fmt = fmt.replace(RegExp.$1, (RegExp.$1.length == 1) ? (o[k]) : (("00" + o[k]).substr(("" + o[k]).length)));
 return fmt;
}//调用： var time1 = new Date().Format("yyyy-MM-dd");var time2 = new Date().Format("yyyy-MM-dd HH:mm:ss");


function json2str(o) {
	var arr = [];
	var fmt = function(s) {
		if (typeof s == 'object' && s != null)
			return json2str(s);
		return /^(string|number)$/.test(typeof s) ? "'" + s + "'" : s;
	}
	for ( var i in o)
		arr.push("'" + i + "':" + fmt(o[i]));
	return '{' + arr.join(',') + '}';
}

function toPercent(num) {
	return Number(num * 100).toFixed(2) + '%';
}